Spreadsheet Computations

5 min

Narrative

The purpose of this Warm-up is to remind students about some familiar mathematical contexts, to prepare them for engaging with some word problems later in the lesson.

Student Task

  1. A person walks 4 miles per hour for 2.5 hours. How far does the person walk?
  2. A rectangle has an area of 24 square centimeters. What could be its length and width?
  3. What is the area of this triangle?

<p>Triangle with little square in one corner. The sides meeting at the little square have lengths 8 and 15. The side across from the little square has length 17.</p>

Sample Response

  1. 10 miles
  2. Any two lengths in centimeters whose product is 24 square centimeters
  3. 60 square units

10 min

5 min

15 min